text: /* $OpenBSD: thread_private.h,v 1.18 2006/02/22 07:16:31 otto Exp $ */
  
  /* PUBLIC DOMAIN: No Rights Reserved. Marco S Hyman <marc@snafu.org> */
  
  #ifndef _THREAD_PRIVATE_H_
  #define _THREAD_PRIVATE_H_
  #define THREAD_PRIVATE_H_
  #define THREAD_PRIVATE_H
  #define NDK_ANDROID_SUPPORT_THREAD_PRIVATE_H_
  #define NDK_ANDROID_SUPPORT_THREAD_PRIVATE_H
  #define _THREAD_PRIVATE_H
  
  #include <pthread.h>
  
  __BEGIN_DECLS
  
  /*
   * This file defines the thread library interface to libc.  Thread
   * libraries must implement the functions described here for proper
   * inter-operation with libc.   libc contains weak versions of the
   * described functions for operation in a non-threaded environment.
   */
  
  /*
   * helper macro to make unique names in the thread namespace
   */
  #define __THREAD_NAME(name)	__CONCAT(_thread_tagname_,name)
  
  struct __thread_private_tag_t {
      pthread_mutex_t    _private_lock;
      pthread_key_t      _private_key;
  };
  
  #define _THREAD_PRIVATE_MUTEX(name)  \
  	static struct __thread_private_tag_t  __THREAD_NAME(name) = { PTHREAD_MUTEX_INITIALIZER, -1 }
  #define _THREAD_PRIVATE_MUTEX_LOCK(name)  \
  	pthread_mutex_lock( &__THREAD_NAME(name)._private_lock )
  #define _THREAD_PRIVATE_MUTEX_UNLOCK(name) \
  	pthread_mutex_unlock( &__THREAD_NAME(name)._private_lock )
  
  /* Note that these aren't compatible with the usual OpenBSD ones which lazy-initialize! */
  #define _MUTEX_LOCK(l) pthread_mutex_lock((pthread_mutex_t*) l)
  #define _MUTEX_UNLOCK(l) pthread_mutex_unlock((pthread_mutex_t*) l)
  
  __LIBC_HIDDEN__ void  _thread_atexit_lock(void);
  __LIBC_HIDDEN__ void  _thread_atexit_unlock(void);
  
  #define _ATEXIT_LOCK() _thread_atexit_lock()
  #define _ATEXIT_UNLOCK() _thread_atexit_unlock()
  
  __LIBC_HIDDEN__ void    _thread_arc4_lock(void);
  __LIBC_HIDDEN__ void    _thread_arc4_unlock(void);
  
  #define _ARC4_LOCK() _thread_arc4_lock()
  #define _ARC4_UNLOCK() _thread_arc4_unlock()
  #define _ARC4_ATFORK(f) pthread_atfork(NULL, NULL, (f))
  
  extern volatile sig_atomic_t _rs_forked;
  
  __END_DECLS
  
  #endif /* _THREAD_PRIVATE_H_ */
  